1. Used on an invitation to request a response

Encyclopedia: RSVP

• smiley
• smiling
• smilingly
• smilo
• smilo grass
• smilodon
• smirch
• smirk
• smirker
• smirky
• Smitane
• smite
• smith
• smithereens
• smithers
• smithery
• Smithsonian
• smithsonite
• smithy
• smitten
• Smitty Stevens
• smock
• smocking
• smog
• smogginess